myocardium

noun myo·car·di·um \ˌmī-ə-ˈkär-dē-əm\

Definition of MYOCARDIUM

: the middle muscular layer of the heart wall

— myo·car·di·al \-dē-əl\ adjective

See myocardium defined for kids

New Latin, from my- + Greek kardia heart — more at heart

First Known Use: 1879

Medical Dictionary

noun myo·car·di·um \ˌmī-ə-ˈkärd-ē-əm\

plural -dia \-ē-ə\

: the middle muscular layer of the heart wall

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